On-site power generation system with redundant uninterruptible power supply

Abstract

Disclosed is a method and system for providing constant critical AC electrical load with primary, secondary, and in some cases a tertiary source of power with higher reliability and lower operating and capital costs and lower emissions than the traditional utility supply, uninterruptible power supply (UPS), and battery primary power source, and diesel generator back-up systems that are predominately used today. Specifically, the disclosed system utilizes on-site power generation to provide primary power and includes full utility and UPS/DC storage back-up systems.

1 . An electrical power generation system comprising: 
 an on-site primary power source that supplies primary power to a primary generator bus;    a primary output distribution switchboard that receives said primary power from said primary generator bus and distributes said primary power to a static-switch;    a secondary power source that supplies secondary power to an input distribution bus;    a secondary output distribution switchboard for receiving said secondary power from said input distribution bus that distributes said secondary power to said static-switch, said static-switch that switches power sources from said primary power source to said secondary power source in the event of a failure of said primary power source;    a synchronization control that monitors and compares frequencies and voltage phase angles of said primary power and said secondary power and synchronizes said primary power source and said secondary power source;    an energy storage backup system to provide short-term power that enables said secondary power source to be initiated and synchronized into a distributed power grid; and,    a power distribution unit that receives power from said static-switch and distributes electrical power to an electrical demand.    
   
   
       2 . An electrical power generation system of  claim 1 , wherein said on-site primary power source is comprised of at least one primary generator.  
   
   
       3 . An electrical power generation system of  claim 1 , wherein said on-site primary power source is comprised of at least one primary generator and at least one redundant generator.  
   
   
       4 . An electrical power generation system of  claim 1 , wherein said primary output distribution switchboard contains circuit breakers that isolates connections between said primary power source and said static-switch.  
   
   
       5 . An electrical power generation system of  claim 1  further comprising: 
 a power supply/link connection that connects said primary generator bus to said input distribution bus.    
   
   
       6 . An electrical power generation system of  claim 1 , wherein said secondary power source is a utility transformer.  
   
   
       7 . An electrical power generation system of  claim 1 , wherein said energy storage backup system is a DC battery.  
   
   
       8 . An electrical power generation system of  claim 1 , wherein said energy storage backup system is a rotary flywheel.  
   
   
       9 . An electrical power generation system of  claim 1 , wherein said energy storage backup system is a rotary uninterruptible power supply with DC battery.  
   
   
       10 . An electrical power generation system of  claim 1 , wherein said energy storage backup system utilizes a fast start engine generator.  
   
   
       11 . An electrical power generation system of  claim 1  further comprising: 
 a transfer switch connected to said secondary power source and a tertiary power source at a transfer switch input and connected to said input distribution bus with a transfer switch output, said transfer switch that switches power sources from said secondary power source to said tertiary power source in the event of a failure of said secondary power source.    
   
   
       12 . An electrical power generation system of  claim 11 , wherein said tertiary power source is comprised of at least one primary tertiary generator.  
   
   
       13 . An electrical power generation system of  claim 12 , wherein said at least one primary tertiary generator is a diesel generator.  
   
   
       14 . An electrical power generation system of  claim 11 , wherein said tertiary power source is comprised of at least one primary tertiary generator and at least one redundant tertiary generator.  
   
   
       15 . An electrical power generation system of  claim 14 , wherein said at least one redundant tertiary generator is a diesel generator.  
   
   
       16 . An electrical power generation system of  claim 11 , wherein said synchronization control monitors and compares frequencies and voltage phase angles of said secondary power and said tertiary power and synchronizes said secondary power source and said tertiary power source.  
   
   
       17 . A method of providing electrical power comprising: 
 supplying primary power to a primary generator bus with an on-site primary power source;    receiving said power from said primary power source with a primary output distribution switchboard;    distributing said primary power source from said primary output distribution switchboard to a static-switch;    supplying secondary power to an input distribution bus with a secondary power source; receiving said secondary power from said input distribution bus with a secondary output distribution switchboard;    distributing said secondary power source from said secondary output distribution switchboard to said static-switch;    switching from said primary power source to said secondary power source in the event of a failure of said primary power source with said static-switch;    monitoring and comparing frequencies and voltage phase angles of said primary power and said secondary power to synchronize said primary power source with said secondary power source;    providing short-term power with an energy storage backup system that enables said secondary power source to be initiated and synchronized into a distributed power grid;    receiving electrical power from said static-switch with a power distribution unit; and,    distributing said electrical power to an electrical demand.    
   
   
       18 . An electrical power generation system of  claim 17 , wherein said step of supplying primary power to a primary generator bus with an on-site primary power source further comprises: 
 supplying said primary power with said on-site primary power source comprised of at least one primary generator.    
   
   
       19 . An electrical power generation system of  claim 17  further comprising the step of: 
 supplying said primary power with said on-site primary power source comprised of at least one primary generator and at least one redundant generator.    
   
   
       20 . An electrical power generation system of  claim 17 , wherein said step of supplying secondary power to an input distribution bus with a secondary power source further comprises: 
 supplying said secondary power with a utility transformer.    
   
   
       21 . An electrical power generation system of  claim 17  further comprising the step of: 
 isolating connections between said primary power source and said static-switch with at least one circuit breaker.    
   
   
       22 . An electrical power generation system of  claim 17  further comprising the step of: 
 connecting said primary generator bus to said input distribution bus with a power supply/link.    
   
   
       23 . An electrical power generation system of  claim 17 , wherein said step of providing short-term power with an energy storage backup system that enables said secondary power source to be initiated and synchronized into a distributed power grid further comprises: 
 supplying said short-term power with an energy storage backup system that is comprised of at least one DC battery.    
   
   
       24 . An electrical power generation system of  claim 17 , wherein said step of providing short-term power with an energy storage backup system that enables said secondary power source to be initiated and synchronized into a distributed power grid further comprises: 
 supplying said short-term power with an energy storage backup system that is comprised of at least one rotary flywheel.    
   
   
       25 . An electrical power generation system of  claim 17 , wherein said step of providing short-term power with an energy storage backup system that enables said secondary power source to be initiated and synchronized into a distributed power grid further comprises: 
 supplying said short-term power with an energy storage backup system that is comprised of a rotary uninterruptible power supply with DC battery.    
   
   
       26 . An electrical power generation system of  claim 17 , wherein said step of providing short-term power with an energy storage backup system that enables said secondary power source to be initiated and synchronized into a distributed power grid further comprises: 
 supplying said short-term power with an energy storage backup system that utilizes a fast start engine generator.    
   
   
       27 . An electrical power generation system of  claim 17  further comprising the step of: 
 supplying tertiary power with a tertiary power source and said secondary power from said secondary power source to a transfer switch that switches power from said secondary power source to said tertiary power source in the event of a failure of said secondary power source;    receiving said tertiary power from said transfer switch with said input distribution bus;    receiving said tertiary power from said input distribution bus with said secondary output distribution switchboard;    distributing said tertiary power source from said secondary output distribution switchboard to said static-switch.    monitoring and comparing frequencies and voltage phase angles of said secondary power and said tertiary power to synchronize said secondary power source with said tertiary power source; and,    providing short-term power with said energy storage backup system that enables said tertiary power source to be initiated and synchronized into said distributed power grid.    
   
   
       28 . An electrical power generation system of  claim 27 , further comprising the step of: 
 supplying said tertiary power with said tertiary power source comprised of at least one primary tertiary generator.    
   
   
       29 . An electrical power generation system of  claim 27 , further comprising the step of: 
 supplying said tertiary power with said tertiary power source comprised of at least one primary tertiary generator and at least one redundant tertiary generator.    
   
   
       30 . A system for increasing efficiency of an electrical power generation array with redundant power source and back-up power supply comprising: 
 a power generation heat recovery loop comprising: 
 a primary generator driven by an engine that produces electric power;  
 a heat exchanger that extracts engine heat from said engine  
 an adsorption/absorption chiller that uses said engine heat to vaporize refrigerant and produce chilled water;  
   a chilled water loop comprising: 
 a cooling tower that cools heated return water from said adsorption/absorption chiller to produce chilled water;  
 a cooling load that utilizes said chilled water to produce environmental cooling;  
   a heat rejection loop comprising:    a cooling water return line that receives reject heat expelled from said absorption/adsorption chiller; and, 
 a cooling system that cools said reject heat and returns cool water to said absorption/adsorption chiller.  
   
   
   
       31 . A system of  claim 30 , wherein said power generation heat recovery loop further comprises: 
 emission control equipment to reduce toxic emissions of said engine.    
   
   
       32 . A system of  claim 30 , wherein said cooling tower is a centrifugal chiller.  
   
   
       33 . A system of  claim 30 , wherein said cooling system is an evaporative cooling tower.  
   
   
       34 . A method of increasing efficiency of an electrical power generation array with redundant power source and back-up power supply comprising: 
 producing electric power with a primary generator driven by an engine;    producing heat with said engine;    extracting engine heat from said engine with a heat exchanger;    vaporizing refrigerant with an adsorption/absorption chiller to produce chilled water;    cooling heated return water from said adsorption/absorption chiller with a cooling tower to produce chilled water;    producing environmental cooling of a cooling load by utilizing said chilled water;    receiving reject heat expelled from said absorption/adsorption chiller with a cooling water return line;    cooling said reject heat with a cooling system; and,    returning cool water to said absorption/adsorption chiller.    
   
   
       35 . A method of  claim 34  further comprising the step of: 
 reducing the toxic emissions of said engine with emission control equipment.    
   
   
       36 . A system for providing electrical power comprising: 
 means for supplying primary power to a primary generator bus with an on-site primary power source;    means for receiving said power from said primary power source with a primary output distribution switchboard;    means for distributing said primary power source from said primary output distribution switchboard to a static-switch;    means for supplying secondary power to an input distribution bus with a secondary power source;    means for receiving said secondary power from said input distribution bus with a secondary output distribution switchboard;    means for distributing said secondary power source from said secondary output distribution switchboard to said static-switch;    means for switching from said primary power source to said secondary power source in the event of a failure of said primary power source with said static-switch;    means for monitoring and comparing frequencies and voltage phase angles of said primary power and said secondary power to synchronize said primary power source with said secondary power source;    means for providing short-term power with an energy storage backup system that enables said secondary power source to be initiated and synchronized into a distributed power grid;    means for receiving electrical power from said static-switch with a power distribution unit; and,    means for distributing said electrical power to an electrical demand.